Canister



FIG. 1 is a front elevational view of a canister showing our new design; the opposite side being a mirror image;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is an exploded front, right side perspective view thereof.

The undisclosed left side view is a mirror image of the right side and the bottom is planar and unornamented. 

The ornamental design for a canister, as shown and described. 